ETS Series AC Servo User's Manual
The checksum results of parameters are abnormal.
The servomotor speed is excessively high and the
servomotor is out of control.
The servomotor is operating continuously under a torque
largely exceeding ratings.
Position error counteroverflow
Internal counter overflow
Position error pulse overflow
Position error pulse exceededparameter (Pn504)
The setting of electronic gear or
given pulse frequency is not
reasonable.
The setting of electronic gear is not reasonable or the
given pulse frequency is too high.
The 1st channel of current
detection is wrong.
Something wrong with the inside chip of the 1st channel.
The 2nd channel of current
detection is wrong.
Something wrong with the inside chip of the 2nd channel.
Incremental Encoder is break off.
At least one of Incremental Encoder PA,PB,PC is broken
off.
An overcurrent flowed through the IPM.
Main circuit voltage for servomotor rotation is excessively
high.
Main circuit voltage for servomotor rotation is excessively
low.
Bleeder resistor is faulty.
Regenerative circuit error
Power line phase shortage
One phase does not bring into main circuit power supply.
Motor power line U over current
Mechanical stuck or motor power line U phase sequence is
wrong
Motor power line V over current
Mechanical stuck or motor power line V phase sequence is
wrong
Motor power line W over current
Mechanical stuck or motor power line W phase sequence
is wrong
The parameter setting of servo drive does not match the
servomotor.
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